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<head><meta charset="utf-8"><title>I-prioritize #71695 Dynamically select alignment of a `dyn T · t-compiler/wg-prioritization · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/index.html">t-compiler/wg-prioritization</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html">I-prioritize #71695 Dynamically select alignment of a `dyn T</a></h3>

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<a name="195771032"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2371695%20Dynamically%20select%20alignment%20of%20a%20%60dyn%20T/near/195771032" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> triagebot <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html#195771032">(Apr 29 2020 at 21:14)</a>:</h4>
<p><span class="user-group-mention" data-user-group-id="2403">@WG-prioritization</span> issue <a href="https://github.com/rust-lang/rust/issues/71695#issuecomment-621468004" title="https://github.com/rust-lang/rust/issues/71695#issuecomment-621468004">#71695</a> has been requested for prioritization.</p>



<a name="195771034"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2371695%20Dynamically%20select%20alignment%20of%20a%20%60dyn%20T/near/195771034" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> triagebot <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html#195771034">(Apr 29 2020 at 21:14)</a>:</h4>
<p><span class="user-group-mention" data-user-group-id="2403">@WG-prioritization</span> issue <a href="https://github.com/rust-lang/rust/issues/71695" title="https://github.com/rust-lang/rust/issues/71695">#71695</a> has been requested for prioritization.</p>



<a name="195837296"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2371695%20Dynamically%20select%20alignment%20of%20a%20%60dyn%20T/near/195837296" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html#195837296">(Apr 30 2020 at 13:21)</a>:</h4>
<p><span class="user-mention" data-user-id="116083">@pnkfelix</span> has spawned <a href="https://github.com/rust-lang/rust/issues/71416" title="https://github.com/rust-lang/rust/issues/71416">#71416</a> into <a href="https://github.com/rust-lang/rust/issues/71695" title="https://github.com/rust-lang/rust/issues/71695">#71695</a> (the issue we need to prioritize) and <a href="https://github.com/rust-lang/rust/issues/71694" title="https://github.com/rust-lang/rust/issues/71694">#71694</a> (which was prioritized by <span class="user-mention" data-user-id="116083">@pnkfelix</span> as <code>P-high</code>)</p>



<a name="195837378"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2371695%20Dynamically%20select%20alignment%20of%20a%20%60dyn%20T/near/195837378" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html#195837378">(Apr 30 2020 at 13:22)</a>:</h4>
<p>I agree that <a href="https://github.com/rust-lang/rust/issues/71694" title="https://github.com/rust-lang/rust/issues/71694">#71694</a> is <code>P-high</code> because it represents the most urgent part of <a href="https://github.com/rust-lang/rust/issues/71416" title="https://github.com/rust-lang/rust/issues/71416">#71416</a></p>



<a name="195837391"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2371695%20Dynamically%20select%20alignment%20of%20a%20%60dyn%20T/near/195837391" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html#195837391">(Apr 30 2020 at 13:22)</a>:</h4>
<p>yeah; essentially the question is "how important is completing this part of the feature"</p>



<a name="195837393"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2371695%20Dynamically%20select%20alignment%20of%20a%20%60dyn%20T/near/195837393" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html#195837393">(Apr 30 2020 at 13:22)</a>:</h4>
<p>so let's prioritize <a href="https://github.com/rust-lang/rust/issues/71695" title="https://github.com/rust-lang/rust/issues/71695">#71695</a></p>



<a name="195837427"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2371695%20Dynamically%20select%20alignment%20of%20a%20%60dyn%20T/near/195837427" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html#195837427">(Apr 30 2020 at 13:22)</a>:</h4>
<p>My instinct is to say "this is not that important"</p>



<a name="195837439"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2371695%20Dynamically%20select%20alignment%20of%20a%20%60dyn%20T/near/195837439" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html#195837439">(Apr 30 2020 at 13:22)</a>:</h4>
<p>I'd say this is <code>P-medium</code></p>



<a name="195837465"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2371695%20Dynamically%20select%20alignment%20of%20a%20%60dyn%20T/near/195837465" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html#195837465">(Apr 30 2020 at 13:23)</a>:</h4>
<p>yeah, that is probably a reasonable prioritization</p>



<a name="195837490"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2371695%20Dynamically%20select%20alignment%20of%20a%20%60dyn%20T/near/195837490" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html#195837490">(Apr 30 2020 at 13:23)</a>:</h4>
<p>I will admit that I'm not familiar with what kinds of code <em>want</em> this feature</p>



<a name="195837520"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2371695%20Dynamically%20select%20alignment%20of%20a%20%60dyn%20T/near/195837520" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html#195837520">(Apr 30 2020 at 13:23)</a>:</h4>
<p>I'm not sure if there's a more general dynamic allocation tracking issue or something like that</p>



<a name="195837524"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2371695%20Dynamically%20select%20alignment%20of%20a%20%60dyn%20T/near/195837524" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html#195837524">(Apr 30 2020 at 13:23)</a>:</h4>
<p>but there are other features in the pipeline that I suspect are far higher priority</p>



<a name="195837530"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2371695%20Dynamically%20select%20alignment%20of%20a%20%60dyn%20T/near/195837530" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html#195837530">(Apr 30 2020 at 13:23)</a>:</h4>
<p>That's a good question</p>



<a name="195837642"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2371695%20Dynamically%20select%20alignment%20of%20a%20%60dyn%20T/near/195837642" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Santiago Pastorino <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html#195837642">(Apr 30 2020 at 13:24)</a>:</h4>
<p>I remember seeing something but unsure if an issue, a post on IRLO, discussions here, hehe, can't remember</p>



<a name="195837820"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2371695%20Dynamically%20select%20alignment%20of%20a%20%60dyn%20T/near/195837820" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> triagebot <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2371695.20Dynamically.20select.20alignment.20of.20a.20.60dyn.20T.html#195837820">(Apr 30 2020 at 13:26)</a>:</h4>
<p>Issue <a href="https://github.com/rust-lang/rust/issues/71695" title="https://github.com/rust-lang/rust/issues/71695">#71695</a>'s prioritization request has been removed.</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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